Calotropin
[化] 牛角瓜苷(取自大牛角瓜Calotropis procera的茎叶)\\n[医] 牛角瓜甙
🗣️ 情景例句
Does the hotel have a tour service?
这宾馆有旅游服务吗？
What platform does the train leave from?
这班车从哪个站台开出呢？
Why not? His home isn't far from here. Let's go.
为什么不呢？他家离这儿不远。我们走吧。